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Islander
04-28-17, 03:33 PM
Roddy Scheer and Doug Moss
April 27, 2011

Because of soil depletion, crops grown decades ago were much richer in vitamins and minerals than the varieties most of us get today

Dear EarthTalk: What’s the nutritional difference between the carrot I ate in 1970 and one I eat today? I’ve heard that that there’s very little nutrition left. Is that true?—Esther G., Newark, N.J.
It would be overkill to say that the carrot you eat today has very little nutrition in it—especially compared to some of the other less healthy foods you likely also eat—but it is true that fruits and vegetables grown decades ago were much richer in vitamins and minerals than the varieties most of us get today. The main culprit in this disturbing nutritional trend is soil depletion: Modern intensive agricultural methods have stripped increasing amounts of nutrients from the soil in which the food we eat grows. Sadly, each successive generation of fast-growing, pest-resistant carrot is truly less good for you than the one before.

Read more: https://www.scientificamerican.com/article/soil-depletion-and-nutrition-loss/